The energy needed for photosynthesis is provided by ____________________

Fill in the blank(s) with correct word


sunlight

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Prosecutions under the Espionage Act (1917) and the Sedition Act (1918) can be characterized in the following ways EXCEPT

A. antiwar socialists and labor leaders were visibly targeted. B. 1,900 Americans were prosecuted under these laws. C. the laws meant that any criticism of the government could be censored and punished. D. the Supreme Court ultimately ruled that they were unconstitutional violations of freedom of speech and association. E. after the war, President Harding issued pardons to many of those prosecuted, including labor leader Eugene Debs.

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One of the most common grounding systems used for protection against accidental electrical shock is the _____

a. two-wire system b. three-wire system c. four-wire system d. five-wire system

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The equation for the output frequency of a 555 timer operating in the astable mode is: f = 1.44/((R1 + 2*R2)*C). What value of C will be required to produce a 1 kHz output if R1 = 1 k? and R2 = 1 k??

A) 0.33uF B) 0.48uF C) 33nF D) 480uF

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To prevent water from flooding out the opening when the plug is removed, a _____ can be attached to the test plug

A) retainer plate B) water removal plate C) retainer ring D) large wing nut

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